Bah, offlist by mistake.
---------- Forwarded message ---------- From: Robert Collins <[email protected]> Date: 30 January 2016 at 09:25 Subject: Re: [Distutils] How to get pip to really, really, I mean it -- rebuild this damn package! To: Chris Barker - NOAA Federal <[email protected]> Please try pip 7.1? Latest before 8; we're not meant to be caching wheels of by-location things from my memory, but it may have regressed/changed with the cache changes made during the 8 development cycle. -Rob On 30 January 2016 at 04:48, Chris Barker - NOAA Federal <[email protected]> wrote: >>> Requirement already satisfied (use --upgrade to upgrade): gsw==3.0.3 from >>> file:///Users/chris.barker/miniconda2/conda-bld/work/gsw-3.0.3 in >>> /Users/chris.barker/miniconda2/conda-bld/work/gsw-3.0.3 >> >> I think this is saying that pip thinks it has found an >> already-installed version of gsw 3.0.3 in sys.path, and that the >> directory in your sys.path where it's already installed is >> >> /Users/chris.barker/miniconda2/conda-bld/work/gsw-3.0.3 > > That is the temp dir conda sets up to unpack downloaded files, and do > its work in -- hence the name. I'll look and see what's there. I'm > pretty sure conda build starts out with an empty dir, however. And > that dir should not be on sys.path. > >> I think this means that that directory is (a) in sys.path, and (b) >> contains a .egg-info/.dist-info directory for gsw 3.0.3. Part (a) >> seems weird and broken. > > Indeed. And I get the same symptoms with a clean environment that I've > set up outside conda build. Though with the same source dir. But with > conda build, it's a fresh unpack of the tarball. > >> Do you have "." in your PYTHONPATH or anything like that? > > God no! > >> Don't know why it seems to be building a wheel for it, if it already >> thinks that it's installed... this is also odd. > > Yes it is. But it doesn't install it :-( > >> >> $PYTHON -m pip install --no-cache-dir --upgrade --force-reinstall ./ >> >> ? Though I'd think that -I would have the same affect as --force-reinstall... >> > So did I, and I think I tried --force-reinstall already, but I will again. > >> (It doesn't look like the cache dir is your problem here, but you do >> probably want to use --no-cache-dir anyway just as good practice, just >> because you don't want to accidentally package up a stale version of >> the software that got pulled out of your cache instead of the version >> you thought you were packaging in the tree in front of you. > > Exactly. Doesn't seem to make a difference, though. > >> Also, I think it's a bug in pip that it caches builds of source trees >> -- PyPI can enforce the rule that each (package name, version number) >> sdist is unique, but for a work-in-progress VCS checkout it's just not >> true that (package name, version number) uniquely identifies a >> snapshot of the whole tree. So in something like 'pip install .', then >> requirement resolution code should treat this as a special requirement >> that it wants *this exact tree*, not just any package that has the >> same (package name, version number) as this tree; and the resulting >> wheel should not be cached. > > Absolutely! In fact, I'll bet that approach is the source of the > problem here. If not automagically, there should be a flag, at least. > > However, what seems to be happening is that pip is looking outside the > current Python environment somewhere to see if this package needs to > be installed. It may be something that works with virtualenv, but > doesn't with conda environments for some reason. > > I guess on some level pip simply isn't designed to build and install > from local source :-( > > In the end, I'm still confused: does pip install give me anything that: > > setup.py install single-version-externally-managed > > Doesn't? Other that support for non-setuptools installs, anyway. > > CHB > > >> I don't know if there are any bugs filed >> in pip on this...) >> >> -n >> >> -- >> Nathaniel J. Smith -- https://vorpus.org > _______________________________________________ > Distutils-SIG maillist - [email protected] > https://mail.python.org/mailman/listinfo/distutils-sig -- Robert Collins <[email protected]> Distinguished Technologist HP Converged Cloud -- Robert Collins <[email protected]> Distinguished Technologist HP Converged Cloud _______________________________________________ Distutils-SIG maillist - [email protected] https://mail.python.org/mailman/listinfo/distutils-sig
